1
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Babadei O, Strobl B, Müller M, Decker T. Transcriptional control of interferon-stimulated genes. J Biol Chem 2024; 300:107771. [PMID: 39276937 DOI: 10.1016/j.jbc.2024.107771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2024] [Revised: 08/27/2024] [Accepted: 08/29/2024] [Indexed: 09/17/2024] Open
Abstract
Interferon-induced genes are among the best-studied groups of coregulated genes. Nevertheless, intense research into their regulation, supported by new technologies, is continuing to provide insights into their many layers of transcriptional regulation and to reveal how cellular transcriptomes change with pathogen-induced innate and adaptive immunity. This article gives an overview of recent findings on interferon-induced gene regulation, paying attention to contributions beyond the canonical JAK-STAT pathways.
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Affiliation(s)
- Olga Babadei
- Max Perutz Labs, Vienna Biocenter Campus (VBC), Vienna, Austria; University of Vienna, Center for Molecular Biology, Department of Microbiology, Immunobiology and Genetics, Vienna, Austria
| | - Birgit Strobl
- Institute of Animal Breeding and Genetics, University of Veterinary Medicine Vienna, Vienna, Austria
| | - Mathias Müller
- Institute of Animal Breeding and Genetics, University of Veterinary Medicine Vienna, Vienna, Austria
| | - Thomas Decker
- Max Perutz Labs, Vienna Biocenter Campus (VBC), Vienna, Austria; University of Vienna, Center for Molecular Biology, Department of Microbiology, Immunobiology and Genetics, Vienna, Austria.
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2
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Xu D, Qin X. Type I Interferonopathy among Non-Elderly Female Patients with Post-Acute Sequelae of COVID-19. Viruses 2024; 16:1369. [PMID: 39339845 PMCID: PMC11435747 DOI: 10.3390/v16091369] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2024] [Revised: 08/19/2024] [Accepted: 08/26/2024] [Indexed: 09/30/2024] Open
Abstract
The pathophysiological mechanisms of the post-acute sequelae of COVID-19 (PASC) remain unclear. Sex differences not only exist in the disease severity of acute SARS-CoV-2 infection but also in the risk of suffering from PASC. Women have a higher risk of suffering from PASC and a longer time to resolution than men. To explore the possible immune mechanisms of PASC among non-elderly females, we mined single-cell transcriptome data from peripheral blood samples of non-elderly female patients with PASC and acute SARS-CoV-2 infection, together with age- and gender-matched non-PASC and healthy controls available from the Gene Expression Omnibus database. By comparing the differences, we found that a CD14+ monocyte subset characterized by higher expression of signal transducers and activators of transcription 2 (STAT2) (CD14+STAT2high) was notably increased in the PASC patients compared with the non-PASC individuals. The transcriptional factor (TF) activity analysis revealed that STAT2 and IRF9 were the key TFs determining the function of CD14+STAT2high monocytes. STAT2 and IRF9 are TFs exclusively involving type I and III interferon (IFN) signaling pathways, resulting in uncontrolled IFN-I signaling activation and type I interferonopathy. Furthermore, increased expression of common interferon-stimulated genes (ISGs) has also been identified in most monocyte subsets among the non-elderly female PASC patients, including IFI6, IFITM3, IFI44L, IFI44, EPSTI1, ISG15, and MX1. This study reveals a featured CD14+STAT2high monocyte associated with uncontrolled IFN-I signaling activation, which is indicative of a possible type I interferonopathy in the non-elderly female patients with PASC.
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Affiliation(s)
- Donghua Xu
- Division of Comparative Pathology, Tulane National Primate Research Center, Tulane University School of Medicine, Tulane University, 18703 Three Rivers Road, Covington, LA 70433, USA
- Department of Microbiology and Immunology, School of Medicine, Tulane University, New Orleans, LA 70112, USA
| | - Xuebin Qin
- Division of Comparative Pathology, Tulane National Primate Research Center, Tulane University School of Medicine, Tulane University, 18703 Three Rivers Road, Covington, LA 70433, USA
- Department of Microbiology and Immunology, School of Medicine, Tulane University, New Orleans, LA 70112, USA
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3
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Huynh A, Gray PE, Sullivan A, Mackie J, Guerin A, Rao G, Pathmanandavel K, Mina ED, Hollway G, Hobbs M, Enthoven K, O'Young P, McManus S, Wainwright LH, Higgins M, Noon F, Wong M, Bastard P, Zhang Q, Casanova JL, Hsiao KC, Pinzon-Charry A, Ma CS, Tangye SG. A Novel Case of IFNAR1 Deficiency Identified a Common Canonical Splice Site Variant in DOCK8 in Western Polynesia: The Importance of Validating Variants of Unknown Significance in Under-Represented Ancestries. J Clin Immunol 2024; 44:170. [PMID: 39098944 PMCID: PMC11298505 DOI: 10.1007/s10875-024-01774-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2024] [Accepted: 07/23/2024] [Indexed: 08/06/2024]
Abstract
Advanced genomic technologies such as whole exome or whole genome sequencing have improved diagnoses and disease outcomes for individuals with genetic diseases. Yet, variants of unknown significance (VUS) require rigorous validation to establish disease causality or modification, or to exclude them from further analysis. Here, we describe a young individual of Polynesian ancestry who in the first 13 mo of life presented with SARS-CoV-2 pneumonia, severe enterovirus meningitis and adenovirus gastroenteritis, and severe adverse reaction to MMR vaccination. Genomic analysis identified a previously reported pathogenic homozygous variant in IFNAR1 (c.1156G > T, p.Glu386* LOF), which is common in Western Polynesia. Moreover, a new and putatively deleterious canonical splice site variant in DOCK8 was also found in homozygosity (c.3234 + 2T > C). This DOCK8 variant is common in Polynesians and other under-represented ancestries in large genomic databases. Despite in silico bioinformatic predictions, extensive in vitro and ex vivo analysis revealed the DOCK8 variant likely be neutral. Thus, our study reports a novel case of IFNAR1 deficiency, but also highlights the importance of functional validation of VUS, including those predicted to be deleterious, and the pressing need to expand our knowledge of the genomic architecture and landscape of under-represented populations and ancestries.
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Affiliation(s)
- Aimee Huynh
- Queensland Paediatric Immunology and Allergy Service, Children's Health Queensland, Brisbane, QLD, 4101, Australia
| | - Paul E Gray
- Clinical Immunogenomics Research Consortium, Australasia, Australia
- School Medicine, Western Sydney University, Penrith, NSW, Australia
- Department of Immunology and Infectious Diseases, Sydney Children's Hospital, Randwick, Australia
| | - Anna Sullivan
- Queensland Paediatric Immunology and Allergy Service, Children's Health Queensland, Brisbane, QLD, 4101, Australia
- Clinical Immunogenomics Research Consortium, Australasia, Australia
| | - Joseph Mackie
- Garvan Institute of Medical Research, 384 Victoria St, Darlinghurst, NSW, 2010, Australia
- School of Clinical Medicine, Faculty of Medicine and Health, UNSW Sydney, Sydney, NSW, Australia
| | - Antoine Guerin
- Garvan Institute of Medical Research, 384 Victoria St, Darlinghurst, NSW, 2010, Australia
- School of Clinical Medicine, Faculty of Medicine and Health, UNSW Sydney, Sydney, NSW, Australia
| | - Geetha Rao
- Garvan Institute of Medical Research, 384 Victoria St, Darlinghurst, NSW, 2010, Australia
| | - Karrnan Pathmanandavel
- Garvan Institute of Medical Research, 384 Victoria St, Darlinghurst, NSW, 2010, Australia
- School of Clinical Medicine, Faculty of Medicine and Health, UNSW Sydney, Sydney, NSW, Australia
| | - Erika Della Mina
- Garvan Institute of Medical Research, 384 Victoria St, Darlinghurst, NSW, 2010, Australia
- School of Clinical Medicine, Faculty of Medicine and Health, UNSW Sydney, Sydney, NSW, Australia
| | - Georgina Hollway
- Clinical Immunogenomics Research Consortium, Australasia, Australia
- Garvan Institute of Medical Research, 384 Victoria St, Darlinghurst, NSW, 2010, Australia
| | - Matthew Hobbs
- Garvan Institute of Medical Research, 384 Victoria St, Darlinghurst, NSW, 2010, Australia
| | - Karen Enthoven
- Clinical Immunogenomics Research Consortium, Australasia, Australia
- Garvan Institute of Medical Research, 384 Victoria St, Darlinghurst, NSW, 2010, Australia
| | - Patrick O'Young
- Clinical Immunogenomics Research Consortium, Australasia, Australia
- Garvan Institute of Medical Research, 384 Victoria St, Darlinghurst, NSW, 2010, Australia
| | - Sam McManus
- Royal Brisbane and Women's Hospital, Herston, QLD, Australia
| | | | | | - Fallon Noon
- Genetic Health Queensland, Brisbane, Australia
| | - Melanie Wong
- Clinical Immunogenomics Research Consortium, Australasia, Australia
- Department of Allergy and Immunology, The Children's Hospital at Westmead, Sydney, NSW, Australia
| | - Paul Bastard
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM U1163, Necker Hospital for Sick Children, Paris, France
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY, USA
- University of Paris, Imagine Institute, Paris, France
- Department of Pediatrics, Necker Hospital for Sick Children, AP-HP, Paris, France
| | - Qian Zhang
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY, USA
| | - Jean-Laurent Casanova
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM U1163, Necker Hospital for Sick Children, Paris, France
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY, USA
- University of Paris, Imagine Institute, Paris, France
- Department of Pediatrics, Necker Hospital for Sick Children, AP-HP, Paris, France
- Howard Hughes Medical Institute, New York, USA
| | - Kuang-Chih Hsiao
- Clinical Immunogenomics Research Consortium, Australasia, Australia
- Starship Child Health, Auckland, New Zealand
- Department of Paediatrics, University of Auckland, Auckland, New Zealand
| | - Alberto Pinzon-Charry
- Queensland Paediatric Immunology and Allergy Service, Children's Health Queensland, Brisbane, QLD, 4101, Australia
- Clinical Immunogenomics Research Consortium, Australasia, Australia
- Griffith University and University of Queensland, Queensland, Australia
| | - Cindy S Ma
- Clinical Immunogenomics Research Consortium, Australasia, Australia
- Garvan Institute of Medical Research, 384 Victoria St, Darlinghurst, NSW, 2010, Australia
- School of Clinical Medicine, Faculty of Medicine and Health, UNSW Sydney, Sydney, NSW, Australia
| | - Stuart G Tangye
- Clinical Immunogenomics Research Consortium, Australasia, Australia.
- Garvan Institute of Medical Research, 384 Victoria St, Darlinghurst, NSW, 2010, Australia.
- School of Clinical Medicine, Faculty of Medicine and Health, UNSW Sydney, Sydney, NSW, Australia.
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Calvo-Apalategi A, Nevado ML, Bravo-Gallego LY, González-Granado LI, Allende LM, Pena RR, López-Granados E, Reyburn HT. The lack of either IRF9, or STAT2, has surprisingly little effect on human natural killer cell development and function. Immunology 2024; 172:440-450. [PMID: 38514903 DOI: 10.1111/imm.13779] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Accepted: 03/01/2024] [Indexed: 03/23/2024] Open
Abstract
Analysis of genetically defined immunodeficient patients allows study of the effect of the absence of specific proteins on human immune function in real-world conditions. Here we have addressed the importance of type I interferon signalling for human NK cell development by studying the phenotype and function of circulating NK cells isolated from patients suffering primary immunodeficiency disease due to mutation of either the human interferon regulatory factor 9 (IRF9) or the signal transducer and activator of transcription 2 (STAT2) genes. IRF9, together with phosphorylated STAT1 and STAT2, form a heterotrimer called interferon stimulated gene factor 3 (ISGF3) which promotes the expression of hundreds of IFN-stimulated genes that mediate antiviral function triggered by exposure to type I interferons. IRF9- and STAT2-deficient patients are unable to respond efficiently to stimulation by type I interferons and so our experiments provide insights into the importance of type I interferon signalling and the consequences of its impairment on human NK cell biology. Surprisingly, the NK cells of these patients display essentially normal phenotype and function.
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Affiliation(s)
| | - Marta López Nevado
- Immunology Department, University Hospital 12 de Octubre, Madrid, Spain
- Hospital 12 Octubre Research Institute (Imas12), Madrid, Spain
| | | | - Luis Ignacio González-Granado
- Immunology Department, University Hospital 12 de Octubre, Madrid, Spain
- Immunodeficiency Unit, Department of Pediatrics, University Hospital 12 de Octubre, Madrid, Spain
| | - Luis M Allende
- Immunology Department, University Hospital 12 de Octubre, Madrid, Spain
- Hospital 12 Octubre Research Institute (Imas12), Madrid, Spain
- School of Medicine, Complutense University of Madrid, Madrid, Spain
| | | | - Eduardo López-Granados
- Department of Immunology, La Paz University Hospital, Madrid, Spain
- Lymphocyte Pathophysiology Group, La Paz Institute of Biomedical Research, IdiPAZ, Madrid, Spain
| | - Hugh T Reyburn
- Department of Immunology and Oncology, CNB-CSIC, Madrid, Spain
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5
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Bucciol G, Meyts I. Spotlight: "Human STAT2 deficiency: a severe defect of antiviral immunity". Genes Immun 2024; 25:261-263. [PMID: 38146002 DOI: 10.1038/s41435-023-00246-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 12/05/2023] [Accepted: 12/13/2023] [Indexed: 12/27/2023]
Affiliation(s)
- Giorgia Bucciol
- Laboratory of Inborn Errors of Immunity, Department of Microbiology, Immunology and Transplantation, KU Leuven, Leuven, Belgium
- Department of Pediatrics, Division of Primary Immunodeficiencies, University Hospitals Leuven, Leuven, Belgium
| | - Isabelle Meyts
- Laboratory of Inborn Errors of Immunity, Department of Microbiology, Immunology and Transplantation, KU Leuven, Leuven, Belgium.
- Department of Pediatrics, Division of Primary Immunodeficiencies, University Hospitals Leuven, Leuven, Belgium.
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Zhang Q, Kisand K, Feng Y, Rinchai D, Jouanguy E, Cobat A, Casanova JL, Zhang SY. In search of a function for human type III interferons: insights from inherited and acquired deficits. Curr Opin Immunol 2024; 87:102427. [PMID: 38781720 PMCID: PMC11209856 DOI: 10.1016/j.coi.2024.102427] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 03/19/2024] [Accepted: 05/06/2024] [Indexed: 05/25/2024]
Abstract
The essential and redundant functions of human type I and II interferons (IFNs) have been delineated over the last three decades by studies of patients with inborn errors of immunity or their autoimmune phenocopies, but much less is known about type III IFNs. Patients with cells that do not respond to type III IFNs due to inherited IL10RB deficiency display no overt viral disease, and their inflammatory disease phenotypes can be explained by defective signaling via other interleukine10RB-dependent pathways. Moreover, patients with inherited deficiencies of interferon-stimulated gene factor 3 (ISGF-3) (STAT1, STAT2, IRF9) present viral diseases also seen in patients with inherited deficiencies of the type I IFN receptor (IFNAR1/2). Finally, patients with autoantibodies neutralizing type III IFNs have no obvious predisposition to viral disease. Current findings thus suggest that type III IFNs are largely redundant in humans. The essential functions of human type III IFNs, particularly in antiviral defenses, remain to be discovered.
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Affiliation(s)
- Qian Zhang
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, USA; Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM U1163, Necker Hospital for Sick Children, Paris, France; Paris Cité University, Imagine Institute, Paris, France.
| | - Kai Kisand
- Institute of Biomedicine and Translational Medicine, University of Tartu, Tartu, Estonia
| | - Yi Feng
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, USA
| | - Darawan Rinchai
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, USA
| | - Emmanuelle Jouanguy
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, USA; Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM U1163, Necker Hospital for Sick Children, Paris, France; Paris Cité University, Imagine Institute, Paris, France
| | - Aurélie Cobat
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, USA; Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM U1163, Necker Hospital for Sick Children, Paris, France; Paris Cité University, Imagine Institute, Paris, France
| | - Jean-Laurent Casanova
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, USA; Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM U1163, Necker Hospital for Sick Children, Paris, France; Paris Cité University, Imagine Institute, Paris, France; Department of Pediatrics, Necker Hospital for Sick Children, AP-HP, Paris, France; Howard Hughes Medical Institute, New York, USA
| | - Shen-Ying Zhang
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, USA; Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM U1163, Necker Hospital for Sick Children, Paris, France; Paris Cité University, Imagine Institute, Paris, France
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7
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Svensson Akusjärvi S, Zanoni I. Yin and yang of interferons: lessons from the coronavirus disease 2019 (COVID-19) pandemic. Curr Opin Immunol 2024; 87:102423. [PMID: 38776716 PMCID: PMC11162909 DOI: 10.1016/j.coi.2024.102423] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Revised: 03/05/2024] [Accepted: 05/06/2024] [Indexed: 05/25/2024]
Abstract
The host immune response against severe acute respiratory syndrome coronavirus 2 includes the induction of a group of natural antiviral cytokines called interferons (IFNs). Although originally recognized for their ability to potently counteract infections, the mechanistic functions of IFNs in patients with varying severities of coronavirus disease 2019 (COVID-19) have highlighted a more complex scenario. Cellular and molecular analyses have revealed that timing, location, and subtypes of IFNs produced during severe acute respiratory syndrome coronavirus 2 infection play a major role in determining disease progression and severity. In this review, we summarize what the COVID-19 pandemic has taught us about the protective and detrimental roles of IFNs during the inflammatory response elicited against a new respiratory virus across different ages and its longitudinal consequences in driving the development of long COVID-19.
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Affiliation(s)
- Sara Svensson Akusjärvi
- Harvard Medical School, Division of Immunology, Boston Children's Hospital, Boston, MA, USA; Division of Immunology and Allergy, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden
| | - Ivan Zanoni
- Harvard Medical School, Division of Immunology, Boston Children's Hospital, Boston, MA, USA; Division of Gastroenterology, Boston Children's Hospital, Boston, MA, USA.
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8
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Jia J, Zhou X, Chu Q. Mechanisms and therapeutic prospect of the JAK-STAT signaling pathway in liver cancer. Mol Cell Biochem 2024:10.1007/s11010-024-04983-5. [PMID: 38519710 DOI: 10.1007/s11010-024-04983-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Accepted: 02/29/2024] [Indexed: 03/25/2024]
Abstract
Liver cancer (LC) poses a significant global health challenge due to its high incidence and poor prognosis. Current systemic treatment options, such as surgery, chemotherapy, radiofrequency ablation, and immunotherapy, have shown limited effectiveness for advanced LC patients. Moreover, owing to the heterogeneous nature of LC, it is crucial to uncover more in-depth pathogenic mechanisms and develop effective treatments to address the limitations of the existing therapeutic modalities. Increasing evidence has revealed the crucial role of the Janus kinase (JAK)-signal transducer and activator of transcription (STAT) pathway in the pathogenesis of LC. The specific mechanisms driving the JAK-STAT pathway activation in LC, participate in a variety of malignant biological processes, including cell differentiation, evasion, anti-apoptosis, immune escape, and treatment resistance. Both preclinical and clinical investigations on the JAK-STAT pathway inhibitors have exhibited potential in LC treatment, thereby opening up avenues for the development of more targeted therapeutic strategies for LC. In this study, we provide an overview of the JAK-STAT pathway, delving into the composition, activation, and dynamic interplay within the pathway. Additionally, we focus on the molecular mechanisms driving the aberrant activation of the JAK-STAT pathway in LC. Furthermore, we summarize the latest advancements in targeting the JAK-STAT pathway for LC treatment. The insights presented in this review aim to underscore the necessity of research into the JAK-STAT signaling pathway as a promising avenue for LC therapy.
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Affiliation(s)
- JunJun Jia
- Division of Hepatobiliary and Pancreatic Surgery, Department of Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, No. 79 Qingchun Road, Shangcheng District, Hangzhou, 310003, Zhejiang, China.
| | - Xuelian Zhou
- Division of Endocrinology, National Clinical Research Center for Child Health, Children's Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, China
| | - Qingfei Chu
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, China.
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9
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Li C, Li G, Tu S, Bai X, Yuan H. Integrative bioinformatics analysis reveals STAT2 as a novel biomarker of inflammation-related cardiac dysfunction in atrial fibrillation. Open Med (Wars) 2023; 18:20230834. [PMID: 38025532 PMCID: PMC10655688 DOI: 10.1515/med-2023-0834] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2023] [Revised: 09/19/2023] [Accepted: 10/09/2023] [Indexed: 12/01/2023] Open
Abstract
Atrial fibrillation (AF) is a common critical cause of stroke and cardiac dysfunction worldwide with lifetime risks. Viral infection and inflammatory response with myocardial involvement may lead to an increase in AF-related mortality. To dissect the potential sequelae of viral infection in AF patients, especially the coronavirus disease 2019 (COVID-19), based on AF and COVID-19 databases from Gene Expression Omnibus, weighted gene co-expression network analysis was used to identify key genes in heart tissues and peripheral blood mononuclear cells. Here, HSCT, PSMB9, STAT2, and TNFSF13B were identified as common risk genes of AF and COVID-19 patients. Correlation analysis of these genes with AF and COVID-19 showed a positive disease relevance. silencing of STAT2 by small interfering RNA significantly rescued SARS-CoV-2 XBB1.5 pseudovirus-induced cardiac cell contraction dysfunction in vitro. In conclusion, we identified STAT2 may be a novel biomarker of inflammation-related cardiac dysfunction in AF.
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Affiliation(s)
- Cairong Li
- Department of Cardiology, First People’s Hospital of Linping District, Hangzhou311199, P.R. China
| | - Guanhua Li
- Department of Cardiology, First People’s Hospital of Linping District, Hangzhou311199, P.R. China
| | - Sijia Tu
- Department of Cardiology, First People’s Hospital of Linping District, Hangzhou311199, P.R. China
| | - Xinghua Bai
- Department of Cardiology, First People’s Hospital of Linping District, Hangzhou311199, P.R. China
| | - Hong Yuan
- Department of Cardiology, First People’s Hospital of Linping District, 369 Yingbin Rd, Hangzhou311199, P.R. China
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10
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Jordan MB. Loss of STAT2 may be dangerous in a world filled with viruses. J Clin Invest 2023; 133:e170886. [PMID: 37317971 DOI: 10.1172/jci170886] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/16/2023] Open
Abstract
Type I IFNs, a family of cytokines that signal through a single receptor and signaling mechanism, were originally named for their ability to interfere with viral replication. While type II IFN (IFN-γ) largely protects against intracellular bacteria and protozoa, type I IFNs largely protect from viral infections. Inborn errors of immunity in humans have demonstrated this point and its clinical relevance with increasing clarity. In this issue of the JCI, Bucciol, Moens, et al. report the largest series of patients to date with deficiency of STAT2, an important protein for type I IFN signaling. Individuals with STAT2 loss demonstrated a clinical phenotype of viral susceptibility and inflammatory complications, many of which remain poorly understood. These findings further illustrate the very specific and critical role that type I IFNs play in host defense against viruses.
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